Thermostat mounting



Nov. 26, 1929. E. R. WILSON THERMOSTAT MOUNTING Filed March 12, 1928Patented Nov. 26, 1929 UNITED STATES PATENT OFFICE EARL R. WILSON, 0EFLINT, MICHIGAN, AssrenoR TO GENERAL MOTORS co'nroRArrolv, 0E DETROIT,MICHIGAN, A CORPORATION 0E DELAWARE THERMOSTAT MOUNTING Applicationfiled March 12, 1928. Serial No. 260,977.

The invention relates to fittings for the mounting of thermostaticallyactuated control valves. It is especially designed for, and will beherein described as applied to, the mounting of such valves in thecooling sys tems of water-cooled internal combustion engines.

One object of the invention is to provide for the housing of the valveand its actuating mechanism wholly within a fitting or pipe connection,the assembly constituting a unit readily attachable to or detachablefrom the engine. Other objects and advantages will appear from thefollowing description taken in connection with the accompanying drawingsin which:

Figure 1 is an elevation partly in section showing one embodiment of theinvention.

Figure 2 is an elevation showing the fitting of housing illustrated inFigure 1.

Figure 3 is a perspective view of the clip illustrated in Figure 1, and

Figure 4 is a View similar to Figure 1 but showing a slightly diflerentembodiment of the invention.

Referring to the drawings, 5 indicates the upper portion or head of thecylinder block of an internal combustion engine which will be providedwith the usual spaces constituting a water jacket. The water jacketcommunicates with an outlet passage 7 formed in the projecting portion 8of the block, which portion is provided with an outwardly facing seat 9.

The valve housing is constituted by a fitting comprising a body portion10 adapted to receive within it and Wholly enclose the valve unit. Onthe interior of the body is an annular flange 11, one face of whichserves as a seat or abutment to which the thermostatic valve unit issecured, the aperture surrounded by the flange being the passage throughwhich flows the cooling medium whose flow is to be controlled by thevalve.

The upper end of the body 10 is reduced, as at 13, to receive a suitablehose section or other conduit whereby the cooling medium may beconducted to a cooling receptacle such as an ordinary automobileradiator. The lower portion of the body is formed with a flange 14adapted to fit against the face 9 of i the water jacket outlet 8. Holes15 in the be inserted into the lower end of the body 10 and to seat uponthe annular abutment provided by flange 11. As illustrated, it comprisesa frame having an annular flange or head 18 seating against the flangell'of the housing. A valve member 19 operably connected to a thermostat20 controls the opening in the head 18 in the manner usual with thistype of thermostatic valve.

The valve unit is secured to the housingb a clip which may be of theform shown in Figure 3, comprising a U-shaped plate having' theextremities of its arms 21 bent,'as

at 22, to constitute clamping lugs. A flange 23 is bent over at the baseof the plateto serve as a fulcrum. Holes 24 permit the pas-, sage ofscrews 25 which, by engagement with holes 26 in. the housing, serve tosecure the plate to the housing.

In assembling the parts, the valve unit'12 is first placed in positionwith the'head 18 seated against the abutment 11, a gasket 27 beingpreferably interposed. The clip is then positioned with lugs 22 restingon the head 18 on opposite sides of the valve and flange 23 resting onthe lower face of the abutment. The screws 25 are then inserted, thussecurely clamping the valve unit against the abutment.

In the form illustrated in Figure 4, the valve unit 12 is clampedagainst the annular abutment 11 on the interior of the body 10 by a clipcomprising a plate 30 having one end bent, as at 31, to engage the valveunit.

The other end of the plate is secured to the interior of the housing byone or more screws, as indicated at 32, whereby the valve unit issecured against the abutment 11.

It will be understood that other changes and modifications may be madewithout departing from the spirit and scope of the invention and,therefore, it is not intended to limit the scope of the invention to thespecific details herein disclosed except as re quired by the language ofthe appended claims in View of the prior art.

I claim: 1 1. The combination with ahousing having a passagetherethrough and an annular internal abutment surrounding said passage,of a thermostatic valve unit positioned Within said housing and havingan annular head seated upon said abutment and .a slip positioned toclamp said head against said abutment. i i 2. Structure as set forth inclaim 1, said clip comprising a plate having lugs engaging the head ofsaid unit, said plate being removably secured to the housing- 7 1,3,.The combination with an internal com- .bustion engine block having .awater jacket andan outlet from said jacket ofa fitting secured {to saidengine bloek over said outlet, said fitting comprising a housing havinga passage therethrough with a restriction there- ;5 in providing anannular shoulder, a thermostatic valve innit comprising a frame havingan annular flange positioned on said shoulder and valve 1 means adaptedto control flow through said passage, and removable means 0 containedwithin said housing for clamping the flange of said uni-t against saidshoulder. 4. The combination with the cylinder block of an internalcombustion engine having .a water jacket and a water outlet therefor ofa5 a fitting having an inner end portion secured to said block andhavingan internal passage in comnnmication with said outlet and a reducedouterend portion adapted to receive a hose, theinterior of said fittingbeing proded with an annular flange, .a thermostatic valve member havinga head seated on said annular flange, said member being insertable intosaid fitting through said inner end portion and securing meanscomprising a iclipsecured to said fitting and having an arm portionengaging said head and the same against said annular flange :Intestimony whereof I aifix msignature. Y EARL ILSQN,

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